Electrical heater.



A. S. MACK.

ELECTRICAL HEATER. APPLICATION FILED on. 29. 1914.

Patented June 1, 1915.

coni'imtel in the: firing i l ll fl /scribed my in enlengiilmneril 0 0 z'L-r clmm and. secure by so lhereby prludme 2? l1 device of (a an outer 91011-- and mwlel; pipesconand upper ends of saicl llll imam a'netal shell ur *l (ffllC lllillC *zlution to ll cwextensim in .1191 shell being open an outwardly pm in lj l b IP62? (led Sou-- Sl lLl miter shell z'caclec in Salli YS member id inner understood $311112; on. 'luhe "Nil-ff: call :nec cal to and such wall Q shell nickel plafal in m "which surrounds 4h slant circulazimw l Walillj 55mm. {he lel; pipe 5 and ball. Water is in' lzlly mvliech tlzmugh he gnpe 7,. l length of 1 Wire coil. :11 culalw'n 0f the W260;- ":vl'mh proximity (E\'31"l13i1llj' breaking of PlGV ;llJGC,' bempwature lwwevm'. "coils are l they wuldl in 3hr: coils l1 lube be appa enl; mem 01? pm will be izhmiwglz dent snclv to the outlet cmml' end m length n" is 1.1: eaclz. o'tllet' by 15111 2:

"1 51 *mll out 01 1" Watcy. ln an enlarged mp 111011 mm 116' 7. 1t 1 equal to the mlou e on" shell, means film ouiershell l0 Zl-Cfilldllitlflg mnte- A In." sluzll and an elvntric Ming mling 'liluough srzicl muss non comil11min material and, entirely 1 N f o-41m; illlll propmtinns o J mi shown in living as mil b0 sltntecl by 'Ll'lll-Clllfil cirmunstancw each inclivi s l a hile have paaferred several akin that film (l1 V'illOHS parts, prix'ilege of .YCSOK'LUIQ mate changes fihemln as bodied Within the spiri :1 vent-loll as claimed.

mounted upon the connection between the outlet )1 e and the outer shell to hold the inner shell and the packing against relative "increment. and also with respect to said outer shell, an electrlc heating coil ex" tending through said mess of material, the turns of said coil being held in definite spaced relation by the material.

5, An eleetri heating device of the character described including an outer 0y lindrical shell, a relatively thin inner metel-lie shell spaced from the outer shell and having an upper open end provided with an outwardly extending flange, outlet and in. let pipes eonneeted to the upper and lower ends respectively of said outer shell, a solidot non-conducting materiel entirely ALBERT S. MACK.

illitnessesz E. D. Joanson, Home C, Gnonsnncn. 

